I am having( the original ) ( municipal councillor ) corporator letter & (the original )PAN card application form fill up by me , once I submit the application of PAN card , both the original letter will be with the income tax authority , before submiting the application I would like to make the true copy , how can I make the photo copy (xerox ) such a powerful so that it should work as original in any government office , any nationalised bank , or any court , please give the legal direction .